4. Standard configuration one port of pulse output passive (polarity),May select a distant port of pulse output passive (nonpolarity). And contact with all kind of AMR system conveniently,Complying with standard IEC 62053-31 and DIN 43864.

5. Four LED instructions respectively every power supply state and signal of energy impulse.

6. Automatic detection the direction of the flow of load current. And Instructions on individual LED

7. Single direction three components measure three phase four wire active energy consumption. It is nothing with direction of the flow of load current. Complying with standard IEC 62053-21.

8. Standard configuration type S wiring (Inlet from bottom, outlet from top) for direct connect operation, we can also choose another type of wiring, and use CT (Product Configuration code is IC) and PT & CT (Product Configuration code is HC) for operation.

9. Standard configuration short terminals cover, may select extension terminals cover, in order to protect to use safety. (Product Configuration code is JF).